CVE-2026-66321 in Edge

Sumário

de MITRE • 04/08/2026

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

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• Responsável: Microsoft
• Reservar: 24/07/2026
• Divulgação: 04/08/2026
• Moderação: aceite
• Entrada: VDB-385718
• CPE: pronto
• CWE: CWE-843 (confirmado)
• CVSS: 7.3 (VulDB)
• EPSS: 0.00000
• KEV: não
• Atividades: baixo
• Sector: Industry, Finance, ...

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-66321
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66321
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-66321/